Each statement is numbered to the source it was checked against. We use official sources where we can, and each statement says whether it was checked against an official or a secondary source. Sources last checked on 19 October 2026. None of it has been professionally reviewed yet: it is research checked against official and secondary sources by WONE Global, not legal or tax advice.
Acquisitions of certain entities active in 17 sensitive areas of the economy, including defence, energy and transport, must be notified to and approved by the government before completion under the National Security and Investment Act 2021. Applies regardless of the acquirer's nationality, including UK acquirers. There is no turnover threshold.
Cabinet Office (Investment Security Unit) — National Security and Investment Act: guidance on acquisitions · Mandatory notification · Checked 18 October 2026 · Checked against an official source · Not yet professionally reviewed
Mandatory notification is triggered by acquiring shares or votes that take a holding from 25% or less to more than 25%, from 50% or less to more than 50%, or from less than 75% to 75% or more, or voting rights that allow the acquirer to secure or prevent any class of resolution. Material influence and acquisitions of assets (land, tangible movable property, intellectual property) are not mandatory but can be notified voluntarily or called in.
Cabinet Office (Investment Security Unit) — National Security and Investment Act: guidance on acquisitions · Trigger events · Checked 18 October 2026 · Checked against an official source · Not yet professionally reviewed
Following consultation, the government announced on 12 March 2026 that it will change the mandatory sectors, including a new water sector, separate critical minerals and semiconductors schedules, and narrower artificial intelligence and communications definitions, by secondary legislation to be laid later in 2026. Not yet in force as checked: no amending regulations were found on legislation.gov.uk.
Cabinet Office — Government Response to the Consultation on the Notifiable Acquisition Regulations (12 March 2026) · Foreword and schedule-by-schedule changes · Checked 18 October 2026 · Checked against an official source · Not yet professionally reviewed
A title search of legislation.gov.uk for 2026 regulations on notifiable acquisitions returned no results on 18 October 2026; recheck before relying on the current 17-sector list.
CFIUS, chaired by the Secretary of the Treasury, reviews covered transactions for national security risk; filing is largely voluntary but a declaration is mandatory for certain transactions in which a foreign government acquires a substantial interest and certain transactions involving critical technologies. Federal. Mandatory declaration rules at 31 C.F.R. 800.401, introduced under FIRRMA; statutory basis is section 721 of the Defense Production Act of 1950. Detail is covered in the transactions area.
Committee on Foreign Investment in the United States (CFIUS), US Department of the Treasury — CFIUS Overview · Overview; mandatory declarations · Checked 18 October 2026 · Checked against an official source · Not yet professionally reviewed
A declaration to CFIUS is mandatory, at least 30 days before completion, where a foreign person acquires a substantial interest in a TID US business and a single foreign government has a substantial interest in that foreign person, or where a TID US business deals in critical technologies that would need a US export authorisation for the relevant foreign investors. Federal (31 CFR Part 800). TID means critical technology, critical infrastructure or sensitive personal data businesses. Exceptions include excepted investors and certain US-managed funds. A full notice may be filed instead of a declaration.
Office of the Federal Register (eCFR) — 31 CFR 800.401 Mandatory declarations · Section 800.401(b), (c), (f) and (g) · Checked 18 October 2026 · Checked against an official source · Not yet professionally reviewed
The eCFR is an authoritative but unofficial editorial compilation; the official text is the annual CFR edition and Federal Register.
Under the Foreign Trade and Payments Ordinance (AWV), a non-EU acquirer's direct or indirect voting share in a German company triggers cross-sector investment review at 10% for the most sensitive categories in § 55a(1) nos. 1–7, 20% for categories nos. 8–27, and 25% for all other companies. Further acquisitions are reviewable when the holding reaches 20%, 25%, 40%, 50% or 75% (depending on category). Atypical control through board seats, vetoes or information rights is treated as reaching the threshold.
Bundesministerium der Justiz und für Verbraucherschutz / Bundesamt für Justiz (gesetze-im-internet.de) — § 56 AWV – Stimmrechtsanteile · § 56(1)–(3) AWV · Checked 18 October 2026 · Checked against an official source · Not yet professionally reviewed
A non-EU acquirer must notify the Federal Ministry for Economic Affairs without undue delay after signing a contract to acquire a qualifying stake in a German company in one of the sensitive categories listed in § 55a(1) AWV (for example critical infrastructure, cloud services, AI, semiconductors, critical raw materials). Obligation lies with the direct acquirer. For public takeover offers, notification follows publication of the decision to make an offer. The ordinance text names the BMWK; the ministry is now the Bundesministerium für Wirtschaft und Energie.
Bundesministerium der Justiz und für Verbraucherschutz / Bundesamt für Justiz (gesetze-im-internet.de) — § 55a AWV – Voraussichtliche Beeinträchtigung der öffentlichen Ordnung oder Sicherheit · § 55a(1), (4) and (5) AWV · Checked 18 October 2026 · Checked against an official source · Not yet professionally reviewed
An entity of a country sharing a land border with India, or an investment whose beneficial owner is linked to such a country, can invest only under the government route, and a later transfer that brings beneficial ownership within this category also needs government approval. Press Note 3 (2020 Series) dated 17 April 2020, as revised in 2026; subject to the 10% non-controlling exception in in-establish-004. Central rule.
Department for Promotion of Industry and Internal Trade (DPIIT), Foreign Investment Facilitation Portal — FAQs on FDI Policy · Land-border countries (Press Note 3, 2020) · In force from 17 April 2020 · Checked 18 October 2026 · Checked against an official source · Not yet professionally reviewed
The FAQ uses the 2020 wording (beneficial owner situated in or a citizen of such a country). Secondary sources report that Press Note 2 (2026 Series) dated 15 March 2026 removed the 'situated in' limb so the test now turns on citizens and entities of those countries; the official Press Note text could not yet be checked.
Investors whose beneficial ownership from land-border countries is non-controlling and no more than 10% may invest under the automatic route, subject to sectoral caps, entry routes and conditions, with the investee reporting the relevant details to DPIIT. Beneficial ownership is defined using the criteria of the Prevention of Money-laundering Rules, 2005 and tested at the level of the investor entity. Central rule.
Prime Minister's Office (pmindia.gov.in) — Cabinet approves changes in guidelines on investments from countries sharing land border with India · Cabinet decision of 10 March 2026 · Checked 18 October 2026 · Checked against an official source · Not yet professionally reviewed
Cabinet decision dated 10 March 2026. Secondary sources report implementation through Press Note 2 (2026 Series) and an amendment to the FEMA (Non-debt Instruments) Rules notified on 2 May 2026; the gazette notification could not yet be checked.
A notifiable acquisition completed without approval under the National Security and Investment Act 2021 is void, and civil penalties can reach 5% of worldwide turnover or £10 million, whichever is greater. Criminal penalties also apply. Retrospective validation can be sought.
Cabinet Office — National Security and Investment Act: guidance on acquisitions · Completing without approval; penalties · Checked 18 October 2026 · Checked against an official source · Not yet professionally reviewed